linux-kernel - RE: linux-next: manual merge of the l2-mtd tree with Linus' tree

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Date:	Fri, 14 Dec 2012 13:38:12 +0000
From:	"Kumar, Anil" <anilkumar.v@...com>
To:	"Karicheri, Muralidharan" <m-karicheri2@...com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Artem Bityutskiy <dedekind1@...il.com>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: RE: linux-next: manual merge of the l2-mtd tree with Linus' tree


________________________________________
From: Karicheri, Muralidharan
Sent: Thursday, December 13, 2012 8:45 PM
To: Kumar, Anil
Cc: Stephen Rothwell; Artem Bityutskiy; linux-next@...r.kernel.org; linux-kernel@...r.kernel.org; Grant Likely
Subject: Re: linux-next: manual merge of the l2-mtd tree with Linus' tree

On 12/13/2012 12:38 AM, Kumar, Anil wrote:
> On Thu, Dec 13, 2012 at 07:07:55, Stephen Rothwell wrote:
>> Hi Artem,
>>
>> Today's linux-next merge of the l2-mtd tree got a conflict in
>> Documentation/devicetree/bindings/arm/davinci/nand.txt between commit
>> fed16bba8726 ("mtd: nand: davinci: fix the binding documentation") from
>> Linus' tree and commit 192afdbfbc5c ("mtd: davinci: add support for
>> parition binding nodes") from the l2-mtd tree.
>>
>> I fixed it up (maybe- see below) and can carry the fix as necessary (no
>> action is required).
>>
>> --
>> Cheers,
>> Stephen Rothwell                    sfr@...b.auug.org.au
>>
>> diff --cc Documentation/devicetree/bindings/arm/davinci/nand.txt
>> index 49fc7ad,4746452..0000000
>> --- a/Documentation/devicetree/bindings/arm/davinci/nand.txt
>> +++ b/Documentation/devicetree/bindings/arm/davinci/nand.txt
>> @@@ -23,16 -23,37 +23,24 @@@ Recommended properties
>>    - ti,davinci-nand-buswidth: buswidth 8 or 16
>>    - ti,davinci-nand-use-bbt: use flash based bad block table support.
>>
>> + nand device bindings may contain additional sub-nodes describing
>> + partitions of the address space. See partition.txt for more detail.
>> +
>>   -Example (enbw_cmc board):
>>   -aemif@...00000 {
>>   -  compatible = "ti,davinci-aemif";
>>   -  #address-cells =<2>;
>>   -  #size-cells =<1>;
>>   -  reg =<0x68000000 0x80000>;
>>   -  ranges =<2 0 0x60000000 0x02000000
>>   -            3 0 0x62000000 0x02000000
>>   -            4 0 0x64000000 0x02000000
>>   -            5 0 0x66000000 0x02000000
>>   -            6 0 0x68000000 0x02000000>;
>>   -  nand@3,0 {
>>   -          compatible = "ti,davinci-nand";
>>   -          reg =<3 0x0 0x807ff
>>   -                  6 0x0 0x8000>;
>>   -          #address-cells =<1>;
>>   -          #size-cells =<1>;
>>   -          ti,davinci-chipselect =<1>;
>>   -          ti,davinci-mask-ale =<0>;
>>   -          ti,davinci-mask-cle =<0>;
>>   -          ti,davinci-mask-chipsel =<0>;
>>   -          ti,davinci-ecc-mode = "hw";
>>   -          ti,davinci-ecc-bits =<4>;
>>   -          ti,davinci-nand-use-bbt;
>>   +Example(da850 EVM ):
>>   +nand_cs3@...00000 {
>>   +  compatible = "ti,davinci-nand";
>>   +  reg =<0x62000000 0x807ff
>>   +          0x68000000 0x8000>;
>>   +  ti,davinci-chipselect =<1>;
>>   +  ti,davinci-mask-ale =<0>;
>>   +  ti,davinci-mask-cle =<0>;
>>   +  ti,davinci-mask-chipsel =<0>;
>>   +  ti,davinci-ecc-mode = "hw";
>>   +  ti,davinci-ecc-bits =<4>;
>>   +  ti,davinci-nand-use-bbt;
>> +
>>   -          partition@...000 {
>>   -                  label = "ubifs";
>>   -                  reg =<0x180000 0x7e80000>;
>>   -          };
>> ++   partition@...000 {
>> ++           label = "ubifs";
>> ++           reg =<0x180000 0x7e80000>;
> partition@...000 is sub-node of nand_cs3@...00000.
> nand_cs3@...00000 needs to use below properties
>
> #address-cells =<1>;
> #size-cells =<1>;
>
> Without these properties DT build will give reg format Warning.
>
>> +    };
>>    };
>>
>Anul,

>Could you point me to a corresponding driver commit id?

from
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
commit ID : cdeadd712f52b16a9285386d61ee26fd14eb4085
add OF support for the davinci nand controller

Thanks,
Anil--
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